package org.kl.bpm.web.conf;
import java.util.List;
import java.util.Map;

import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.validation.Valid;

import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.kl.bf.entity.easyui.EasyuiGrid;
import org.kl.bf.service.basic.UserService;
import org.kl.bf.utils.KLServlets;
import org.kl.bf.web.base.BasicController;
import org.kl.bpm.entity.conf.BpmDelegateHistory;
import org.kl.bpm.service.conf.BpmDelegateHistoryService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import org.springside.modules.web.MediaTypes;
import org.springside.modules.web.Servlets;


@Controller
@RequestMapping(value = "/bpm/delegateHistory")
public class BpmDelegateHistoryController extends BasicController {

	@Autowired
	private BpmDelegateHistoryService bpmDelegateHistoryService;
	@Autowired
	private UserService userService;
	
	@RequiresPermissions("bpmDelegateHistory:list")
	@RequestMapping(method = RequestMethod.GET)
	public String list() {
		return "bpm/bpmDelegateHistoryList";
	}	
	
	@RequiresPermissions("bpmDelegateHistory:list")
	@RequestMapping(value = "dataGrid", produces = MediaTypes.JAVASCRIPT_UTF_8)
	@ResponseBody
	public String dataGrid(@RequestParam(value = "pageNumber", defaultValue = "1") int pageNumber,
			@RequestParam(value = "rows", defaultValue = PAGE_SIZE) int pageSize,
			@RequestParam(value = "sort", defaultValue = "id") String sortType,
			@RequestParam(value = "order", defaultValue = "desc") String orderType, Model model, ServletRequest request) {
		Map<String, Object> searchParams = KLServlets.getParametersStartingWith(request, SEARCH_PREFIX);
		Page<BpmDelegateHistory> bpmDelegateHistory = bpmDelegateHistoryService.getUserBpmDelegateHistory(searchParams, pageNumber, pageSize, sortType, orderType);
		EasyuiGrid grid = new EasyuiGrid();
		grid.setRows(bpmDelegateHistory.getContent());
		grid.setTotal((int) bpmDelegateHistory.getTotalElements());
		String result = jsonMapper.toJson(grid);
		return result;
	}
	
	@RequiresPermissions("bpmDelegateHistory:export")
	@RequestMapping(value = "excelExport", produces = MediaTypes.JAVASCRIPT_UTF_8)
	@ResponseBody
	public String excelExport(@RequestParam(value = "pageNumber", defaultValue = "1") int pageNumber,
			@RequestParam(value = "sort", defaultValue = "id") String sortType,
			@RequestParam(value = "order", defaultValue = "desc") String orderType, Model model, ServletRequest request,
			HttpServletResponse response) {
		Map<String, Object> searchParams = Servlets.getParametersStartingWith(request, SEARCH_PREFIX);
		List<BpmDelegateHistory> bpmDelegateHistory = bpmDelegateHistoryService.getAllUserBpmDelegateHistory(searchParams,sortType, orderType);
		super.export(BpmDelegateHistory.class, response, bpmDelegateHistory, "委托历史");
		return null;
	}

	@RequiresPermissions("bpmDelegateHistory:update")
	@RequestMapping(value = "update", method = RequestMethod.POST)
	@ResponseBody
	public String update(@Valid @ModelAttribute("bpmDelegateHistory") BpmDelegateHistory bpmDelegateHistory, RedirectAttributes redirectAttributes) {
		try{
		bpmDelegateHistoryService.saveBpmDelegateHistory(bpmDelegateHistory);
		    return ajaxMsg("保存成功", true, null);
		}catch(Exception e){
			e.printStackTrace();
			return ajaxMsg("保存失败", false, null);
		}
	}
	
	@RequiresPermissions({"bpmDelegateHistory:update","bpmDelegateHistory:delete"})
	@RequestMapping(value = "delete/{id}")
	@ResponseBody
	public String delete(@PathVariable("id") String id, RedirectAttributes redirectAttributes) {
		try {
			bpmDelegateHistoryService.deleteBpmDelegateHistory(id);
			return ajaxMsg("删除成功", true, null);
		} catch (Exception e) {
			e.printStackTrace();
			return ajaxMsg("删除失败", false, null);
		}
	}

	/**
	 * 所有RequestMapping方法调用前的Model准备方法, 实现Struts2
	 * Preparable二次部分绑定的效果,先根据form的id从数据库查出Task对象,再把Form提交的内容绑定到该对象上。
	 * 因为仅update()方法的form中有id属性，因此仅在update时实际执行.
	 */
	@ModelAttribute
	public void getMenu(@RequestParam(value = "id", defaultValue = "-1") String id, Model model) {
		if (!id.equals("-1")) {
			model.addAttribute("bpmDelegateHistory", bpmDelegateHistoryService.getBpmDelegateHistory(id));
		}
	}
	
}

